| Fittings, Flanges And Pipes Commonly Used | |||
|---|---|---|---|
| Classification | Pipe | B.W.Fittings | Flanges |
| Carbon Steels | A 106 Grade A | A 234 Grade WPA | A 105 Grade I |
| A 106 Grade B | A 234 Grade WPB | A 105 Grade II | |
| Alloy Steels | A 335 Grade P 1 | A 234 Grade WP 1 | A 182 Grade F 1 |
| A 335 Grade P 5 | A 234 Grade WP 5 | A 182 Grade F 5 | |
| A 335 Grade P 7 | A 234 Grade WP 7 | A 182 Grade F 7 | |
| A 335 Grade P 9 | A 234 Grade WP 9 | A 182 Grade F 9 | |
| A 335 Grade P 11 | A 234 Grade WP 11 | A 182 Grade F 11 | |
| A 335 Grade P 12 | A 234 Grade WP 12 | A 182 Grade F 12 | |
| A 335 Grade P 22 | A 234 Grade WP 22 | A 182 Grade F 22 | |
| Select for Low temperature Service | A 333 Grade 1 | A 420 Grade WPL 1 | A 350 Grade LF 1 |
| A 333 Grade 3 | A 420 Grade WPL 3 | A 350 Grade LF 3 | |
| A 333 Grade 4 | A 420 Grade WPL 4 | A 350 Grade LF 4 | |
| A 333 Grade 6 | A 420 Grade WPL 6 | A 350 Grade LF 6 | |
| A 333 Grade 8 | A 420 Grade WPL 8 | A 350 Grade LF 8 | |
| Stainless Steel | A 312 Grade TP 304 | A 403 Grade WP 304 | A 182 Grade F 304 |
| A 312 Grade TP 304H | A 403 Grade WP 304H | A 182 Grade F 304H | |
| A 312 Grade TP 304L | A 403 Grade WP 304L | A 182 Grade F 304L | |
| A 312 Grade TP 316 | A 403 Grade WP 316 | A 182 Grade F 316 | |
| A 312 Grade TP 316H | A 403 Grade WP 316H | A 182 Grade F 316H | |
| A 312 Grade TP 316L | A 403 Grade WP 316L | A 182 Grade F 316L | |
| A 312 Grade TP 321 | A 403 Grade WP 321 | A 182 Grade F 321 | |
| A 312 Grade TP 321H | A 403 Grade WP 321H | A 182 Grade F 321H | |
| A 312 Grade TP 347 | A 403 Grade WP 347 | A 182 Grade F 347 | |
| A 312 Grade TP 347H | A 403 Grade WP 347H | A 182 Grade F 347H | |
